In the second video, they build a "portable" rocket mass heater using a "shippable" rocket stove made from cast high temp refractory cement. I was wondering if this is available to purchase and how much it would cost and an estimate on the shipping costs as well
Oooo, ah, that's how it starts. Later there's running and screaming and tiny ads.
Our PIE page has been updated, anybody wanna test?
